About Peter O'Brien

Peter O'Brien is an American professional drummer, best known for his work with the bands A Perfect Circle and Tool.

• A native of Chicago, Illinois, O'Brien grew up in a musical family and began playing drums at age 12.
• He attended Northwestern University, where he studied music theory and composition before dropping out to pursue a career in music.
• O'Brien's early influences included progressive rock bands like King Crimson and Yes, as well as heavy metal acts like Black Sabbath.

Drummer for A Perfect Circle

O'Brien joined A Perfect Circle in 1999 and has since played on many of their albums, including "Mer de Noms" and "Thirteenth Step." He has also collaborated with other artists, such as Tool's Maynard James Keenan.

• During his time with A Perfect Circle, O'Brien has released several solo albums, including "Ceremony Day" and "A Perfect Circle," which have received critical acclaim.
• He has also toured extensively with the band, performing at festivals like Bonnaroo and Lollapalooza.

Tool's Drummer

O'Brien joined Tool in 2006 as their touring drummer, replacing original drummer Danny Carey. He has since played on several of the band's albums, including "10,000 Days" and "Fear Inoculum."

• During his time with Tool, O'Brien has released two solo albums, "Imperceptual" and "Re-Verse," which have received critical acclaim.
• He has also toured extensively with the band, performing at festivals like Reading and Leeds.